Mikado, Mukae, Sakaki, and Erika head to Sensei's house. It's necessary for Hiyakawa's sake too. But Sensei has used the sinister power he's gathered to block the roads, so they can't move forward. As they try to force a way through, a portion of the power swoops down, enveloping Sakaki. But all it does is pass through him...?! It seems that the effects of what Erika did to save his life have made Sakaki "deathless."
This is the best barrier ever! 
Everything's sparkling clean!
!هذا أفضل حاجز! كلّ شيءٍ نظيف
Die perfekte Barriere!
Sie strahlt nur so vor Reinheit!
Esta barrera es lo máximo,
miren qué cristalina es.
Esta barrera es genial,
mirad qué cristalina es.
C’est la barrière parfaite.
Elle est étincelante !
È la barriera migliore possibile,
 risplende da quanto è pulita!
É a melhor barreira de todas! Está tudo tinindo.
Идеальный барьер.
Чистота и порядок.